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Two men testing Sawyer bucket water filters with many filters stacked against a wall in a room.
Histoires d'impact
Le dernier puits forme 75 ménages à l'utilisation de seaux filtrants pour l'eau
Le dernier puits forme 75 ménages à l'utilisation de seaux filtrants pour l'eau
L'observateur libérien
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September 16, 2021
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